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package org.glassfish.loadbalancer.admin.cli;
import java.util.logging.Logger;
import java.util.List;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.*;
import org.glassfish.api.Param;
import org.glassfish.api.ActionReport;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.internal.api.Target;
import com.sun.enterprise.config.serverbeans.ClusterRef;
import com.sun.enterprise.config.serverbeans.ServerRef;
import com.sun.enterprise.config.serverbeans.Domain;
import org.glassfish.loadbalancer.config.LbConfigs;
import org.glassfish.loadbalancer.config.LbConfig;
import org.glassfish.api.admin.*;
import javax.inject.Inject;
/**
* This is a remote commands to list lb configs (ported from v2)
* Interestingly, in this command, operand has multiple meanings - it can be
* a target (cluster or standalone instance) or a lb config name.
* And operand is optional!
*
* No operand : list all lb configs
* Operand is LB config: list all cluster-refs and server-refs for the LB config
* Operand is cluster : list lb configs referencing the cluster
* Operand is instance : list all configs referencing the server instance
*
* @author Yamini K B
*/
@Service(name = "list-http-lb-configs")
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@org.glassfish.api.admin.ExecuteOn(RuntimeType.DAS)
@RestEndpoints({
@RestEndpoint(configBean=LbConfigs.class,
opType=RestEndpoint.OpType.GET,
path="list-http-lb-configs",
description="list-http-lb-configs")
})
public final class ListLBConfigsCommand implements AdminCommand {
@Param(primary=true, optional=true)
String list_target;
@Inject
Domain domain;
@Inject
Target tgt;
@Inject
Logger logger;
private ActionReport report;
final private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(ListLBConfigsCommand.class);
@Override
public void execute(AdminCommandContext context) {
report = context.getActionReport();
ActionReport.MessagePart part = report.getTopMessagePart();
boolean isCluster = tgt.isCluster(list_target);
LbConfigs lbconfigs = domain.getExtensionByType(LbConfigs.class);
if (lbconfigs == null) {
logger.fine(localStrings.getLocalString(
"http_lb_admin.NoLbConfigs", "No lb configs"));
return;
}
List<LbConfig> lbconfigsList = lbconfigs.getLbConfig();
if (lbconfigsList.size() == 0) {
logger.fine(localStrings.getLocalString(
"http_lb_admin.NoLbConfigs", "No lb configs"));
return;
}
if (list_target == null) {
for (LbConfig lbc: lbconfigsList) {
ActionReport.MessagePart childPart = part.addChild();
childPart.setMessage(lbc.getName());
}
} else {
// target is a cluster
if (isCluster) {
for (LbConfig lbc: lbconfigsList) {
List<ClusterRef> refs = lbc.getRefs(ClusterRef.class);
for (ClusterRef cRef:refs) {
if (cRef.getRef().equals(list_target) ) {
ActionReport.MessagePart childPart = part.addChild();
childPart.setMessage(lbc.getName());
}
}
}
// target is a server
} else if (domain.isServer(list_target)) {
for (LbConfig lbc: lbconfigsList) {
List<ServerRef> refs = lbc.getRefs(ServerRef.class);
for (ServerRef sRef:refs) {
if (sRef.getRef().equals(list_target) ) {
ActionReport.MessagePart childPart = part.addChild();
childPart.setMessage(lbc.getName());
}
}
}
} else {
// target is a lb config
LbConfig lbConfig = lbconfigs.getLbConfig(list_target);
if (lbConfig != null) {
List<ClusterRef> cRefs = lbConfig.getRefs(ClusterRef.class);
for (ClusterRef ref: cRefs) {
String s = localStrings.getLocalString("ClusterPrefix", "Cluster:");
ActionReport.MessagePart childPart = part.addChild();
childPart.setMessage(s + ref.getRef());
}
List<ServerRef> sRefs = lbConfig.getRefs(ServerRef.class);
for (ServerRef ref: sRefs) {
String s = localStrings.getLocalString("ServerPrefix", "Server:");
ActionReport.MessagePart childPart = part.addChild();
childPart.setMessage(s + ref.getRef());
}
}
}
}
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
}
}